2273180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1249}}^1$

素因数の和:1278

約数の個数: 48

約数和(自身を含む): 5880000

約数和(自身を除く): 3606820

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1249, 1820, 2498, 4996, 6245, 8743, 12490, 16237, 17486, 24980, 32474, 34972, 43715, 64948, 81185, 87430, 113659, 162370, 174860, 227318, 324740, 454636, 568295, 1136590, 2273180]

約数ペア:

[(1, 2273180), (2, 1136590), (4, 568295), (5, 454636), (7, 324740), (10, 227318), (13, 174860), (14, 162370), (20, 113659), (26, 87430), (28, 81185), (35, 64948), (52, 43715), (65, 34972), (70, 32474), (91, 24980), (130, 17486), (140, 16237), (182, 12490), (260, 8743), (364, 6245), (455, 4996), (910, 2498), (1249, 1820)]